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CertDB
CertDB

Top organization SSL/TLS certificates

Exploring SSL certificates one can analyze business activity of not only individual organizations but also whole industries or markets, and identify trends. Here is the list of all organizations that were issued SSL certificates based on the number of certificates.

# Organization Certificate count
201 Lexmark Int. 1 765
202 server 1 763
203 Cerberus FTP Server 1 759
204 University of California, Los Angeles 1 752
205 FMR LLC 1 751
206 Facebook, Inc. 1 735
207 ZYXEL 1 734
208 University of Washington 1 720
209 Siemens AG 1 715
210 Deutsche Telekom AG 1 695
211 Dell 1 687
212 Lauritz Knudsen 1 680
213 HSBC Holdings plc 1 673
214 NTT DATA CORPORATION 1 671
215 na 1 661
216 TEST 1 660
217 Honeywell International Inc. 1 660
218 PANASONIC SYSTEM NETWORKS CO.,LTD. 1 639
219 Generated by H-Sphere Updater (http://psoft.net) 1 638
220 NTT Communications Corporation 1 634
221 Company 1 634
222 Lightspeed Systems 1 629
223 Blue Coat SG900 Series 1 619
224 KDDI CORPORATION 1 612
225 VMware 1 609
226 iXsystems, Inc. 1 608
227 Organization Name 1 608
228 Texas A & M University 1 600
229 Yahoo Japan Corporation 1 597
230 Ingrasys 1 587
231 I-O DATA DEVICE, INC. 1 587
232 Autodesk, Inc. 1 586
233 Verizon Data Services LLC 1 572
234 Atos Worldline 1 537
235 Barclays Bank PLC 1 519
236 NTT DoCoMo, Inc. 1 508
237 Electronic Arts, Inc. 1 507
238 Parallels, Inc. 1 493
239 The University of Texas at Austin 1 480
240 The Toronto Dominion Bank 1 461
241 INSYS Microelectronics GmbH 1 456
242 Fraunhofer 1 452
243 American Express Company 1 448
244 Pannaway Technologies 1 443
245 HID Engineering 1 442
246 University of Oxford 1 437
247 Netflix, Inc. 1 432
248 CenturyLink 1 420
249 Aegir 1 411
250 JumpBox 1 409
251 Salesforce.com, Inc. 1 397
252 Avaya 1 380
253 Blue Coat SG9000 Series 1 380
254 Cornell University 1 377
255 University of Florida 1 367
256 LifeSize Communications Inc. 1 356
257 Harvard College 1 347
258 Ericsson 1 346
259 Infoblox 1 333
260 Max-Planck-Gesellschaft 1 331
261 Purdue University 1 319
262 Open - E 1 306
263 Target Corporation 1 300
264 University of Maryland, College Park 1 283
265 Fidelity National Information Services 1 278
266 University of Missouri 1 276
267 Yahoo! Inc. 1 273
268 Hetzner Online AG 1 256
269 Yahoo Inc. 1 253
270 GRUPO SANTANDER 1 253
271 F-Secure Corporation 1 250
272 Comcast Corporation 1 237
273 TELUS 1 234
274 ADVA Optical Networking 1 233
275 Johnson and Johnson 1 228
276 Linksys, LLC. 1 227
277 RU-Center 1 224
278 Sophos PLC 1 213
279 snom technology AG 1 207
280 ZixCorp Systems, Inc. 1 202
281 Blue Mind 1 200
282 International Business Machines Corporation 1 200
283 Nokia 1 196
284 AnsibleWorks 1 195
285 University of California San Diego 1 189
286 JPMorgan Chase 1 188
287 LOCALHOST 1 182
288 US Dept of Health and Human Services 1 179
289 State of Indiana 1 172
290 NTT DOCOMO,INC. 1 166
291 CommuniGate Systems Customer 1 164
292 AOL Inc. 1 160
293 adidas AG 1 156
294 LPS 1 142
295 HP Inc 1 139
296 ATX 1 139
297 eBay, Inc. 1 136
298 The Coca-Cola Company 1 136
299 AON Corporation 1 128
300 IBM 1 123
301 Societe Generale 1 123
302 Unify 1 121
303 Special Domain Services, LLC 1 110
304 Dis 1 105
305 Sophos 1 102
306 Finanz Informatik GmbH & Co. KG 1 102
307 NAS 1 098
308 Verizon Digital Media Services, Inc. 1 093
309 Thomson Reuters Corporation 1 082
310 Columbia University 1 082
311 University of California, Davis 1 081
312 North Carolina State University 1 079
313 The Royal Bank of Scotland Group Plc 1 076
314 SEAGATE TECHNOLOGY LLC 1 067
315 PricewaterhouseCoopers LLP 1 066
316 Samsung Electronics Co., Ltd. 1 062
317 EQUANT 1 054
318 DB Systel GmbH 1 047
319 Eli Lilly and Company 1 045
320 Bayer AG 1 040
321 University of Chicago 1 040
322 rutorrent 1 039
323 University of Cambridge 1 033
324 Swisscom (Schweiz) AG 1 032
325 Bottomline Technologies (DE), Inc. 1 028
326 Rutgers, The State University of New Jersey 1 027
327 First Data Corporation 1 026
328 Amadeus Data Processing GmbH 1 022
329 Panasonic Corporation 1 021
330 Carnegie Mellon University 1 019
331 Northwestern University 1 012
332 American Airlines, Inc. 1 007
333 Nike, Inc. 1 006
334 Alarm.com 994
335 Apache secure server 986
336 ETH Zuerich 985
337 AxGate 984
338 Generated by OnApp Control Panel installer (http://onapp.com) 984
339 Computer Sciences Corporation 983
340 Abocom, Ltd 982
341 Aetna Inc. 981
342 Sabre Inc. 980
343 Honeywell 973
344 Cloud Engines, Inc. 971
345 Atos 970
346 Educational Testing Service 969
347 BP p.l.c. 956
348 Spondoolies-tech 949
349 m0n0wall 947
350 Netbox Blue 946
351 Freistaat Bayern 943
352 Pearson PLC 938
353 Michigan State University 925
354 Telstra Corporation Limited 924
355 US Bank 920
356 Aruba Networks, Inc. 918
357 LG CNS 915
358 University of Illinois 913
359 Progressive Casualty Insurance Company 913
360 British Telecommunications plc 907
361 Philips International BV 905
362 Allstate Insurance Company 905
363 American Express Travel Related Services Company, Inc. 904
364 Bundesamt fuer Informatik und Telekommunikation 902
365 PBXware 896
366 General Motors LLC 895
367 Epsilon Data Management, LLC 894
368 Pivotal 893
369 SAP Trust Community 889
370 Viprinet 888
371 Shopify Inc. 887
372 CA 884
373 Icon Time Systems 874
374 NEC BIGLOBE Ltd. 871
375 example 870
376 University of California at Berkeley 870
377 BIGLOBE Inc. 868
378 Yandex LLC 867
379 SecWorld 864
380 1&1 Internet AG 862
381 Test Certificate for OneClick 861
382 Avigilon Corporation 856
383 1&1 Mail & Media GmbH 855
384 Merck Sharp & Dohme Corp. 855
385 Blue Coat SG300 Series 855
386 Mars Inc. 854
387 GoDaddy INC. 853
388 University of Pennsylvania 851
389 University of Iowa 848
390 Eaton 846
391 Yodlee Inc 846
392 Royal Bank of Canada 846
393 Barracuda Networks 842
394 Computershare Ltd 837
395 verizon wireless 836
396 Foo Bar Customer 834
397 AUDI AG 833
398 LG Electronics Inc 832
399 Ameriprise Financial, Inc 821
400 Intuit 818